Home / 3,153.22-4,349.73-1,974.04

Finding the Fourth Proportional to 3,153.22, 4,349.73 and 1,974.04

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Solution

The fourth proportional to 3,153.22, 4,349.73 and 1,974.04 is: 2,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.22 : 4,349.73 = 1,974.04 : x
  2. Step 2: Convert to fraction form
    3,153.22/4,349.73 = 1,974.04/x
  3. Step 3: Cross multiply
    3,153.22x = 4,349.73 × 1,974.04
  4. Step 4: Simplify right side
    3,153.22x = 8,586,541.01
  5. Step 5: Solve for x
    x = 8,586,541.01/3,153.22
  6. Step 6: Final answer
    x = 2,723.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.